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Outline of Differences in Comparator Handler I/F
Change in the
•
For the 4286A, the following functions are available: BINSORTING (sorting data into
BINO to BIN9 and OUT_OF_BINS for one frequency point) and Limit Test (making
comparator
the Go-No Go decision), and both can be used together.
function
•
For the 4287A, four sorting conditions are set to allow more complex sorting, and
setting is enabled for up to 13 bins.
CAUTION
For the 4287A comparator function, refer to Chapter 8, "Sorting According to
Measurement Results."
Changes in the
•
For the 4286A, either MODE1 or MODE2 signal pattern can be selected; for the
4287A, only one signal pattern is available because the comparator function was
Handler I/F
changed as above.
•
Regarding the electrical characteristics of the handler I/F, for the 4286A, the maximum
rated voltage output of the decision output signal is 24 V and the maximum rated
voltage output of the control output signal is 15 V; for the 4287A, the maximum rated
voltage output is 24 V for both signals.
•
For the 4287A, the /READY_FOR_TRIG signal, not output on the 4286A, is output.
CAUTION
For the 4287A handler I/F function, refer to Chapter 12, "Connection with Automatic
Machine (Use of Handler I/F)" in the 4287A Programming Manual.
Other Important Differences
View on the
•
For the 4286A, only two measurement parameters can be shown; for the 4287A, up to
four measurement parameters can be shown.
display
•
For the 4286A, the parameter display mode cannot be turned ON/OFF; for the 4287A,
it can be turned ON/OFF for each of the parameters.
•
For the 4287A, when used with the GPIB, there is an UPDATE ON/OFF function that
can be used to minimize the time needed to redraw the images on the screen display;
however, there is still a trade-off between the ability to watch real-time results and
measurement speed. For more on the UPDATE ON/OFF function, refer to the last
section, "Turning ON/OFF Update the LCD Display View," in Chapter 7, "Executing
Measurements and Displaying Results."
•
The 4287A is provided with a statistical processing function and a LAN interface.
CAUTION
For the 4287A statistical processing function, refer to Chapter 9, "Obtaining Statistical
Data on Measurement Results." For the 4287A LAN interface, refer to Chapter 13, "Use of
LAN" in the Programming Manual.
Appendix B
Differences from Agilent 4286A
1. Main Differences Between 4286A and 4287A
297
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